Square steel is cheap, easy to find, and suitable for DIY work.

Square steel is cheap, easy to find, and suitable for DIY work.

Square steel pipe, also known as square pipe or rectangular tube, is a versatile construction material with a square cross-section. It is commonly used for light structural work, general construction work, furniture, doors, fences, and various DIY projects.

Types of square steel

Square steel can be divided into 3 main types as follows:

  • Black box steel: Made from hot rolled steel sheets, not coated. Suitable for interior structural work that is not exposed to sunlight and rain.

     

  • Galvanized steel box: Made from hot rolled steel sheets, coated with galvanized steel using the hot dip process, increasing corrosion resistance. Suitable for exterior structural work or work that is exposed to sunlight and rain.

     

  • Stainless steel box: Made from stainless steel, resistant to corrosion, suitable for work requiring beauty or work that requires contact with chemicals.

Size of steel box

Square steel tubes come in various cross-sectional sizes and thicknesses depending on the application. Examples of standard sizes ofBlack box steelandgalvanized steel box As follows:

Size (inches)

Size (mm)

Thickness (mm)

Weight (kg/m)

1x1

25.4x25.4

0.8

1.07

1.5x1.5

38.1x38.1

1.0

1.84

2x2

50.8x50.8

1.2

2.61

2x4

50.8x101.6

1.2

3.92

3x3

76.2x76.2

1.5

4.68

4x4

101.6x101.6

1.5

6.25

Properties of square steel

  • Strong, durable, can support weight well
  • Easy to cut, bend, weld and assemble
  • Lightweight and easy to carry
  • Heat and fire resistant
  • There are many sizes and types, suitable for various jobs.

 

Use of square steel

  • Structural work: Roof structure, building structure, garage structure, fence, door, window
  • Furniture work: Table, chair, bed, shelf
  • DIY projects: Decorate the house, make various tools.
  • Other works: Electrical and plumbing work, temporary structural work

 

Choosing to buy square steel

  • Choose the size and thickness that are appropriate for the application.
  • Choose the type that suits your environment.
  • Shop from trusted stores
  • Compare prices from multiple stores
  • Check the condition of the product before purchasing.

 

Maintenance of square steel

  • Anti-rust paint for black box steel work
  • Always clean and dry.
  • Avoid direct contact with water and moisture.
  • Store in a dry, well-ventilated place.

Frequently asked questions about square steel

Square tubes and square tubes are similar, but square tubes have a square cross-section, while square tubes have a circular cross-section.

Galvanized steel box is the most rust-resistant and is suitable for applications exposed to sunlight and moisture.

Square steel tubes come in a variety of sizes. Examples of commonly used sizes include 1×1 inch, 1.5×1.5 inches, 2×2 inches, 2×4 inches, 3×3 inches, and 4×4 inches.

The price of square steel depends on the size, type, brand, and store. On average, it is 40-120 baht/meter.

Square steel can be purchased at general construction material stores, steel shops, construction material department stores, or construction material sales websites.

Or if you want to lock the box at a price for the project

You can contact us through the following channels:

Calculation

Square steel is a versatile construction material, suitable for structural work, roofing, fences, doors, windows, furniture, and various DIY projects.

Contact for inquiries:

For project customers or contractors who want special prices for their projects, you can contact us through the following channels:

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